Bertech ESD Three Layer Vinyl Mat Kits are ideal for static dissipative and flexible work surfaces. They have a solid vinyl, homogeneous construction with a buried conductive layer which provides superior physical and electrical qualities. These ESD Three Layer Vinyl mats are our highest quality mats and the best at maintaining an ESD safe environment. Temperature resistance is up to 160 Degrees Fahrenheit. Each kit includes an ESD Three Layer Vinyl mat, common point ground cord, and an adjustable fabric wrist strap. The wrist strap comes with an alligator clip that can be removed to use as a banana plug to insert into grounding cord. They are RoHS and REACH Compliant.